Pigment preparations

Details Pigment preparations Pigment preparations

1986-07-10

1988-07-26

Lieberman, Paul

Compositions: coating or plastic

Materials or ingredients

Pigment, filler, or aggregate compositions, e.g., stone,...

106499, 106505, 524 88, 524 96, 524358, 524485, 524190, 524 93, C04B 1400

Patent

active

047598018

ABSTRACT:
A method for preparing a pigment preparation comprising kneading a pigment presscake (comprising a pigment and water and/or one or more organic liquids) at a temperature in the range 80.degree. to 200.degree. C. under vacuum together with a thermoplastic material, thereby at the same time removing the water and/or any organic liquids present. These preparations are useful for coloring polymeric material.

REFERENCES:
patent: 4158572 (1979-06-01), Blackburn et al.
patent: 4221606 (1980-09-01), Funatsu et al.
patent: 4227936 (1980-10-01), Osswald et al.
patent: 4260424 (1981-04-01), Mizoguchi et al.
patent: 4302254 (1981-11-01), Landler
patent: 4325862 (1982-04-01), Schuster
patent: 4371642 (1983-02-01), Jaffe
patent: 4548968 (1985-10-01), Jaffe
patent: 4589922 (1986-05-01), Donegan

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